Do Physicist's consider themselve's as being one of the instruments in an experiment? Or, as, at least as one of the conditions effecting the outcome? Are these conditions included in the final report? I notice in some of the quantum physics experiments I've read there is a lot of care taken to be sure that those performing the experiment are unaware of certain effects or information they are going to be observing until it is right in their lap, so to speak. This was a quantum teleportation experiement or something. This seems to be treating the observer/scientist as one of the conditions and, perhaps, even an instrument to the whole process. I am close here?